二十五讲邮件服务

跟阿铭学Linux第二十五讲邮件系统阿铭linux邮件服务的小常识发邮件的软件有sendmail,postfix;收邮件的软件courier-imap,dovecot;用户代理收发邮件软件outlook,foxmail发邮件协议：smtp(SimpleMailTransferProtocol)端口25收邮件协议：pop3(PostOfficeProtocol3)端口110收邮件协议：imap,优于pop3,可以根据用户需求指定下载删除邮件,而不是下载全部,端口143MTA:mailtransferagent邮件传输代理,发邮件的(sendmail,postfix)MRA:mailretravialagent邮件检索代理,收邮件(dovecot)MDA:maildeliveryagent邮件投递代理,帮助投递邮件(maildrop)MUA:mailuseragent邮件用户代理,个人主机上的收发代理软件(outlook)阿铭linux安装邮件服务-准备工作搭建DNS,设置MX记录设置hostnameSelinux关闭,iptables规则清空创建一个vmail用户:useradd-u2000-d/var/vmail-m-s/sbin/nologinvmail

安装lamp环境,可以源码也可以yum方式下面是yum安装lamp以及postfix和dovecotyuminstall-ypostfix*dovecot*httpdmysqlmysql-servermysql-develphpphp-mysql

php-mbstringphp-imapphp-xmlpam-devel

为mysql设置root密码,并创建一个postfix库阿铭linux安装邮件服务-配置postfixvim/etc/postfix/main.cf//需要更改myhostname=;mydomain=;myorigin=$mydomain;inet_interfaces=all;mynetworks_style=host;mynetworks=/24,/8

;增加：smtpd_sasl_auth_enable=yessmtpd_sasl_type=dovecotsmtpd_sasl_path=/var/run/dovecot/auth-clientsmtpd_sasl_security_options=noanonymousbroken_sasl_auth_clients=yessmtpd_recipient_restrictions=

permit_sasl_authenticated,permit_mynetworks,reject_unauth_destinationvirtual_transport=dovecotdovecot_destination_recipient_limit=1virtual_mailbox_domains=proxy:mysql:/etc/postfix/mysql_virtual_domains_maps.cfvirtual_alias_maps=proxy:mysql:/etc/postfix/mysql_virtual_alias_maps.cfvirtual_mailbox_maps=proxy:mysql:/etc/postfix/mysql_virtual_mailbox_maps.cfvirtual_create_maildirsize=yesvirtual_mailbox_extended=yes阿铭linux安装邮件服务-配置postfixvirtual_mailbox_limit_maps=mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cfvirtual_mailbox_limit_override=yesvirtual_maildir_limit_message=Sorry,thisuserhasexceededtheirdiskspacequota,pleasetryagainlater.virtual_overquota_bounce=yesvirtual_uid_maps=static:504virtual_gid_maps=static:12proxy_read_maps=$local_recipient_maps$mydestination$virtual_alias_maps$virtual_alias_domains$virtual_mailbox_maps$virtual_mailbox_domains$relay_recipient_maps$relay_domains$canonical_maps$sender_canonical_maps$recipient_canonical_maps$relocated_maps$transport_maps$mynetworks$virtual_mailbox_limit_mapsvim/etc/postfix/master.cf//增加：dovecot

unix

-

n

n

-

-

pipe,

flags=DRhuuser=vmail:vmailargv=/usr/libexec/dovecot/dovecot-lda

-f${sender}-d${recipient}阿铭linux安装邮件服务-创建mysql脚本vim/etc/postfix/mysql_virtual_domains_maps.cf//内容如下：user=rootpassword=123456hosts=localhostdbname=postfixquery=SELECTdomainFROMdomainWHEREdomain='%s'ANDactive='1'vim/etc/postfix/mysql_virtual_alias_maps.cf//内容如下：user=rootpassword=123456hosts=localhostdbname=postfixquery=SELECTgotoFROMaliasWHEREaddress='%s'ANDactive='1'阿铭linux安装邮件服务-创建mysql脚本vim/etc/postfix/mysql_virtual_mailbox_maps.cf//内容如下：user=rootpassword=123456hosts=localhostdbname=postfixquery=SELECTCONCAT(domain,'/',maildir)FROMmailboxWHEREusername='%s'ANDactive='1'vim/etc/postfix/mysql_virtual_mailbox_limit_maps.cf//内容如下：user=rootpassword=123456hosts=localhostdbname=postfixquery=SELECTquotaFROMmailboxWHEREusername='%s'ANDactive='1'阿铭linux安装邮件服务-配置dovecotmv/etc/dovecot/conf.d//etc/dovecot/bak_conf.dvim/etc/dovecot/dovecot.conf//参考内容：vim/etc/dovecot/dovecot-sql.conf.ext//内容：vim/etc/dovecot/dovecot-dict-sql.conf.ext//内容：启动服务/etc/init.d/postfixstart;/etc/init.d/dovecotstart阿铭linux安装邮件服务-安装postfixadminwget

tarzxvfpostfixadmin-2.3.6.tar.gzmvpostfixadmin-2.3.6/var/www/html/postfixadmincd/var/www/html/postfixadminvimconfig.inc.php//作如下更改：更改$CONF['configured']=

true;定义mysql相关的部分;更改$CONF['admin_email']='';更改$CONF['encrypt']='dovecot:CRAM-MD5';更改$CONF['domain_path']='YES';更改$CONF['domain_in_mailbox']='NO'；把$CONF['database_prefix']注释掉chown-Rvmail:vmail/var/www/html/postfixadmin阿铭linux安装邮件服务-安装postfixadmin浏览器输入创建setup密码创建管理员账号以及密码rm-f/var/www/html/postfixadmin/setup.php登陆地址创建域,创建邮箱阿铭linux使用iRedMail搭建邮件服务器搭建DNS更改hostname软件构成postfix+dovecot+policyd+ClamAV+Amavisd-new+SpamAssassin+Roundcube+phpMyadmin+postfixadmin+Awstats+i